Bamunia Paschim is a village in Mathabhanga I tehsil in district of Koch Bihar, West Bengal, India. As per the data provided by Census of India in 2011, total population of Bamunia Paschim was 2,639 which includes 1,370 males and 1,269 females. Bamunia Paschim covers 384.61 ha area. Pincode of Bamunia Paschim is 736146.